Alert Dialog with Close Button | Flutter

How to create a Dialog in Flutter? Will we able to create a Dialog with Close Button in Flutter? Yes we can create a Dialog in a flutter with showGeneralDialog() widget. With below code we can create an Alert Dialog

AlertDialog(

    backgroundColor:Colors.white,
    shape: _defaultShape(),
    insetPadding: EdgeInsets.all(8),
    elevation: 10,
    titlePadding: const EdgeInsets.all(0.0),
    title: Container(
      child: Center(
        child: Column(
          mainAxisAlignment: MainAxisAlignment.center,
          children: <Widget>[
            _getCloseButton(context),
            Padding(
              padding: EdgeInsets.fromLTRB(
                  20,10, 20, 0),
              child: Column(
                children: <Widget>[
                  Icon(Icons.warning_amber_sharp,size: 48,),
                  SizedBox(
                    height: 15,
                  ),
                  Text(
                    "Alert with Close Button",
                    style: TextStyle(
                        color: Colors.black,
                        fontWeight: FontWeight.w500,
                        fontStyle: FontStyle.normal),
                    textAlign: TextAlign.center,
                  ),
                  SizedBox(
                    height:  10,
                  ),
                  Text(
                    "Your Subscription Plan Expiered",
                    style: TextStyle(
                        color: Colors.black,
                        fontWeight: FontWeight.w400,
                        fontStyle: FontStyle.normal),
                    textAlign: TextAlign.center,
                  ),
                  SizedBox(
                    height:  20,
                  ),
                ],
              ),
            )
          ],
        ),
      ),
    ),
    contentPadding: EdgeInsets.all(8),
    content: buttonsRowDirection==1
        ? Row(
      mainAxisAlignment: MainAxisAlignment.spaceEvenly,
      children: _getRowButtons(context),
    )
        : Column(
      mainAxisSize: MainAxisSize.min,
      crossAxisAlignment: CrossAxisAlignment.center,
      mainAxisAlignment: MainAxisAlignment.spaceEvenly,
      children: _getColButtons(context),
    ));

}

TO add Close Button to Alert Dialog please refer Close Button